Attic Opening Size
You have your pick of wood aluminum or steel in different heights weights and load capacities.
Attic opening size. Unobstructed headroom of at least 30 inches must be available above the attic opening. Due to various opening sizes and finishes a door is not included with this ladder. There are plenty of choices that will fit into an existing opening typically 22 or 25 inches by 54 inches. To mount assist arm on attic floor 3 4 in.
The rough framed opening must be a minimum of 22 inches by 30 inches. Tuesday january 28 2020 the rough opening cannot be less than 22 inches by 30 inches and must be located in a hallway or other readily accessible location. Load capacity while gas struts ensure smooth easy door opening. The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members.
Measure the rough opening in your ceiling both the width and length. Conversely some homes have smaller openings or hatches. Standard openings are 22 5 x 54 but some homes have wider openings. It s important to understand the opening size you have or will create to ensure you select the correct attic ladder product for your home.
An innovative air locking design creates a tight seal reducing drafts and air leakage up to 60. The rough framed opening. Screw the hinges included to one edge of the door and then attach them to the frame of your opening. Minimum clearance required above attic opening.
A few have rails that telescope like an old fashioned shaving mirror. Minimum clearance required behind opening. If mechanical equipment or appliances are housed in the attic there must be an unobstructed passageway large enough for the removal of the appliance. The ladder offers a universal fit for homes with ceiling heights 8 10 ft designed for attic openings 22 5 in.
If the opening is located in a wall the 30 inch dimension must be vertical. Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that exceed 30 square feet 2 8 m2 and have a vertical height of 30 inches 762 mm or greater. Deep minimum the full width of opening must be present in attic. To make a door use cabinet grade plywood cut 1 8 smaller than the wood door frame opening.
Note about attic clearance.